This standard applies to national power transmission and transformation projects. The design and construction of power transmission and transformation projects in local power transmission and transformation projects can be implemented with reference to this standard.
SL 640-2013 Referenced Document
GB 50433 Soil and Water Conservation Technical Standards for Production and Construction Projects*, 2018-11-08 Update
GB 50434 Control standards for soil and water loss on development and construction projects*, 2018-11-01 Update